Mobile/Cell Phone Jammer/Blocker Schematic Diagram Circuit

Monday, March 10, 2008 – 6:21 pm

Below is the free and opensource schematic diagram of cell phone jammer. This circuit is designed for building a cell phone jammer which could blocking mobile phone signals works on GSM1900 band, also called DCS.  The defined blocking frequency is downlink of GSM1900, from 1930MHz to 1990MHz.  The GSM1900 mobile phone network is used by USA, Canada and most of the countries in South America.  This cell phone jammer is not applicable for use in Europe, Middle East, nor Asia.

Cell Phone Jammer Schematic Circuit (click to download the schematic)

Portable Cell Phone Jammer Blocker
Desktop High Power Cell Phone Jammer Blocker

  1. 43 Responses to “Mobile/Cell Phone Jammer/Blocker Schematic Diagram Circuit”

  2. component

    By tarjinder on Apr 1, 2008

  3. thanks for the circuit.

    By Electronicslab Philippines on Apr 6, 2008

  4. thanks for the nice schematic diagram.

    By ElectronicsLab.PH on Apr 6, 2008

  5. Hello. Let’s get acquainted!
    My name is Jessika.

    By vioxiaNogeoma on Apr 7, 2008

  6. I need cell-phone jammer circut to work in 850Mhz and 900Mhz , work in asia and middle east.

    please discribe the circut totally.
    thank’s

    By Mehran on Apr 7, 2008

  7. Hello VioxiaNogeoma, you can buy one set of sample to study. Tks.

    By admin on Apr 7, 2008

  8. Hello Jessika, tks for your comments.

    By admin on Apr 7, 2008

  9. i like the cct and would like to build one for my final year project

    By alfa on Apr 14, 2008

  10. It’s beautiful..but hey if you wan mobile or what we say cell phone jammer than see this tayx.co.uk

    deck

    By deck on Apr 22, 2008

  11. thanks 4 this knowledge

    By DAVID on May 6, 2008

  12. please show the changes in circuit to radiate jamming signal in the range of 900 MHz.

    By FARDEEN on May 10, 2008

  13. I need a circuit that is suitable to be used in Asia. please pleas please. I don’t have much time

    By fasi on May 18, 2008

  14. schematic circuit diagram of a cell phone jammer working on a frequency range 900Mhz and 1800Mhz

    By ken olewe on May 19, 2008

  15. nice circuit..thanks!!!

    By rhex21 on Jun 3, 2008

  16. thanks for gaving such a circut but i need a circut for use in asia soyou may please help me in this aspect

    By hammad on Jun 28, 2008

  17. i need a circuit for use in asia so u please help me as early as possible.

    By rajesh kumar on Jul 1, 2008

  18. thanks for the circuit diagram!! (^_^)

    By medel on Jul 7, 2008

  19. Do you think its cool to get this on your car : HID Conversion Kits or Car DVD
    HID Kits

    By Imputrartmisp on Jul 15, 2008

  20. hello i am a m.sc student i like to make a projec on cell phone jammer i required component list and price and where it available please send me this information early as possible thank you

    By suchita on Jul 16, 2008

  21. Thank you Suchita. For protect our products, we can not provide you the diagram. Sorry.

    By admin on Jul 22, 2008

  22. thanks for giving this circuit

    By MONISH JOHN on Jul 24, 2008

  23. hello i am a m.sc student i like to make a projec on cell phone jammer i required component list and price and where it available please send me this information early as possible thank you

    By TABREZ MIRZA on Jul 27, 2008

  24. Hello Tabrez, we can not provide any more information for protect our products. Sorry about that.

    By admin on Jul 27, 2008

  25. hiiiiiiiii
    i need high frequency cell phone jammer whose range shud b 100 mtrs

    By sandeep on Jul 29, 2008

  26. mobile jamming ckt is very nice

    By SIBIN LUKOSE on Aug 5, 2008

  27. Thank you very much for the circuit diagram.It will be helpful for my final year project

    By Shreyansh on Aug 5, 2008

  28. hiiiiiiiiiii
    thank you very much…..for given circuit……

    By S.Ramesh on Aug 10, 2008

  29. thanxxxxxxxx

    By parth on Aug 11, 2008

  30. Hey I have the schematic,parts list and plans for a mobile computer terminal jammer that will work up to a 10 mile radius. I tested the darn thing and it is perfect!

    By Dr. Jiggalo on Aug 12, 2008

  31. what if we change the frequency from 1900mhz to 900 ~ 1800 mhz.. would that work or not? reply

    By Hassan on Aug 13, 2008

  32. i want deactiate allmobils please send circuit diagrams

    By Ratheesh on Aug 16, 2008

  33. Your blog is interesting!

    Keep up the good work!

    By AlexM on Aug 16, 2008

  34. hi
    would you send a cell-phone jammer used by asia.thank you

    By saman on Aug 17, 2008

  35. Hi,
    I am a final year Bse engineering student and I require a cell phone jammer circuit that works on 900Mhz to 1800Mhz for conference rooms for my final year project.Pls make it early and add the price list for the components if possible.
    Thanks

    By simon on Aug 19, 2008

  36. please give me a low range suitable cell phone-jammer circuit with their component names.i will be thankful for their favour.

    By fazi on Aug 21, 2008

  37. i need a 5000 watts hi-fi audio circuit diagram.Pls make it early and add the price list for the components if possible.
    Thanks

    By sizer on Aug 21, 2008

  38. Beautifull design
    Thanks, webmaster.

    By Cheap Ipod Nana on Aug 25, 2008

  39. Amazine site
    Thanks, webmaster.

    By dvi digital cable on Aug 26, 2008

  40. Cool blog
    Thanks, webmaster.

    By io digital cable on Aug 26, 2008

  41. Beautifull design
    Thanks, webmaster.

    By digital cable hdtv on Aug 26, 2008

  42. Beautifull design
    Thanks, webmaster.

    By best savings accounts for children on Aug 26, 2008

  43. Cool blog
    Thanks, webmaster.

    By state water heaters on Aug 26, 2008

  44. thank you very much

    By suresh on Aug 27, 2008

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